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Mirrors > Home > MPE Home > Th. List > Mathboxes > brerser | Structured version Visualization version GIF version |
Description: Binary equivalence relation with natural domain and the equivalence relation with natural domain predicate are the same when 𝐴 and 𝑅 are sets. (Contributed by Peter Mazsa, 25-Aug-2021.) |
Ref | Expression |
---|---|
brerser | ⊢ ((𝐴 ∈ 𝑉 ∧ 𝑅 ∈ 𝑊) → (𝑅 Ers 𝐴 ↔ 𝑅 ErALTV 𝐴)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | brers 36516 | . . 3 ⊢ (𝐴 ∈ 𝑉 → (𝑅 Ers 𝐴 ↔ (𝑅 ∈ EqvRels ∧ 𝑅 DomainQss 𝐴))) | |
2 | 1 | adantr 484 | . 2 ⊢ ((𝐴 ∈ 𝑉 ∧ 𝑅 ∈ 𝑊) → (𝑅 Ers 𝐴 ↔ (𝑅 ∈ EqvRels ∧ 𝑅 DomainQss 𝐴))) |
3 | eleqvrelsrel 36444 | . . . . 5 ⊢ (𝑅 ∈ 𝑊 → (𝑅 ∈ EqvRels ↔ EqvRel 𝑅)) | |
4 | 3 | adantl 485 | . . . 4 ⊢ ((𝐴 ∈ 𝑉 ∧ 𝑅 ∈ 𝑊) → (𝑅 ∈ EqvRels ↔ EqvRel 𝑅)) |
5 | brdmqssqs 36497 | . . . 4 ⊢ ((𝐴 ∈ 𝑉 ∧ 𝑅 ∈ 𝑊) → (𝑅 DomainQss 𝐴 ↔ 𝑅 DomainQs 𝐴)) | |
6 | 4, 5 | anbi12d 634 | . . 3 ⊢ ((𝐴 ∈ 𝑉 ∧ 𝑅 ∈ 𝑊) → ((𝑅 ∈ EqvRels ∧ 𝑅 DomainQss 𝐴) ↔ ( EqvRel 𝑅 ∧ 𝑅 DomainQs 𝐴))) |
7 | df-erALTV 36513 | . . 3 ⊢ (𝑅 ErALTV 𝐴 ↔ ( EqvRel 𝑅 ∧ 𝑅 DomainQs 𝐴)) | |
8 | 6, 7 | bitr4di 292 | . 2 ⊢ ((𝐴 ∈ 𝑉 ∧ 𝑅 ∈ 𝑊) → ((𝑅 ∈ EqvRels ∧ 𝑅 DomainQss 𝐴) ↔ 𝑅 ErALTV 𝐴)) |
9 | 2, 8 | bitrd 282 | 1 ⊢ ((𝐴 ∈ 𝑉 ∧ 𝑅 ∈ 𝑊) → (𝑅 Ers 𝐴 ↔ 𝑅 ErALTV 𝐴)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ↔ wb 209 ∧ wa 399 ∈ wcel 2110 class class class wbr 5053 EqvRels ceqvrels 36086 EqvRel weqvrel 36087 DomainQss cdmqss 36093 DomainQs wdmqs 36094 Ers cers 36095 ErALTV werALTV 36096 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1803 ax-4 1817 ax-5 1918 ax-6 1976 ax-7 2016 ax-8 2112 ax-9 2120 ax-10 2141 ax-12 2175 ax-ext 2708 ax-sep 5192 ax-nul 5199 ax-pr 5322 |
This theorem depends on definitions: df-bi 210 df-an 400 df-or 848 df-3an 1091 df-tru 1546 df-fal 1556 df-ex 1788 df-nf 1792 df-sb 2071 df-clab 2715 df-cleq 2729 df-clel 2816 df-ral 3066 df-rex 3067 df-rab 3070 df-v 3410 df-dif 3869 df-un 3871 df-in 3873 df-ss 3883 df-nul 4238 df-if 4440 df-pw 4515 df-sn 4542 df-pr 4544 df-op 4548 df-br 5054 df-opab 5116 df-id 5455 df-xp 5557 df-rel 5558 df-cnv 5559 df-co 5560 df-dm 5561 df-rn 5562 df-res 5563 df-ima 5564 df-ec 8393 df-qs 8397 df-rels 36340 df-ssr 36353 df-refs 36365 df-refrels 36366 df-refrel 36367 df-syms 36393 df-symrels 36394 df-symrel 36395 df-trs 36423 df-trrels 36424 df-trrel 36425 df-eqvrels 36434 df-eqvrel 36435 df-dmqss 36488 df-dmqs 36489 df-ers 36512 df-erALTV 36513 |
This theorem is referenced by: (None) |
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